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Finding the Fourth Proportional to 70,592.50, 97,439.52 and 45,442

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Solution

The fourth proportional to 70,592.50, 97,439.52 and 45,442 is: 62,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,592.50 : 97,439.52 = 45,442 : x
  2. Step 2: Convert to fraction form
    70,592.50/97,439.52 = 45,442/x
  3. Step 3: Cross multiply
    70,592.50x = 97,439.52 × 45,442
  4. Step 4: Simplify right side
    70,592.50x = 4,427,846,667.84
  5. Step 5: Solve for x
    x = 4,427,846,667.84/70,592.50
  6. Step 6: Final answer
    x = 62,724.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.